STB3-125J Series RS485 AC or DC Miniature circuit breaker is a high-quality product manufactured by our factory. It has advanced features like RS485 communication, which enables remote control. The product is designed for both AC and DC circuits with a rated current of 125A. It is compactly designed to occupy minimal space and is protected against overloading and short circuits. The breaker has a life of over 20,000 mechanical operations, ensuring durability and prolonged use. Our factory ensures that the breaker is made using top-quality materials for long-lasting performance. Trust us to deliver world-class products that meet your electrical needs.